The line through the points (1, k) and (3, 5) has slope 2. Then \(k = \)
A. 9
B. 3
C. \(-1\)
D. 1
1 answer
Best answer
Answer: D. 1
\(\frac{5 - k}{3 - 1} = 2 \Rightarrow 5 - k = 4 \Rightarrow k = 1\).
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
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